Quote:
Originally Posted by Mechcanico Lee
Yes could be sticky timing control solenoid , if its staying open which will advance the cam this would cause rough running on one bank of cylinders like the fault codes were backing up .
With vcds go into solenoid activations ,there will be 4 i think on that engine , listen for a positive click from each sol. ....its not very loud just like a light clicking sound
I had similar on audi TT , in some cases an engine flushing agent and oil change may just un stick the build up in the actuator body.
Forte do a good engine flush , you havent lost anything if it doesnt work ,just gained a cleaner engine , if it doesnt work yes looks like replacement of the solenoid is first port of call .
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Took it to a local garage (new to me as my usual one is busy til next week) and they've suggested new coil packs for the three that are misfiring and then go from there.
My question is would a solenoid in need of replacement cause three cylinders on one bank to misfire or do they genuinely need coil packs?
Car was under audi extended warranty until April this year so I would have hoped everything done until that point was top notch?!